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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"github.com/mattermost/mattermost-server/mlog"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/plugin"
"github.com/mattermost/mattermost-server/utils"
)
// InstallPlugin unpacks and installs a plugin but does not enable or activate it.
func (a *App) InstallPlugin(pluginFile io.Reader) (*model.Manifest, *model.AppError) {
return a.installPlugin(pluginFile)
}
func (a *App) installPlugin(pluginFile io.Reader) (*model.Manifest, *model.AppError) {
if a.Plugins == nil || !*a.Config().PluginSettings.Enable {
return nil, model.NewAppError("installPlugin", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
}
tmpDir, err := ioutil.TempDir("", "plugintmp")
if err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.filesystem.app_error", nil, err.Error(), http.StatusInternalServerError)
}
defer os.RemoveAll(tmpDir)
if err := utils.ExtractTarGz(pluginFile, tmpDir); err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.extract.app_error", nil, err.Error(), http.StatusBadRequest)
}
tmpPluginDir := tmpDir
dir, err := ioutil.ReadDir(tmpDir)
if err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.filesystem.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if len(dir) == 1 && dir[0].IsDir() {
tmpPluginDir = filepath.Join(tmpPluginDir, dir[0].Name())
}
manifest, _, err := model.FindManifest(tmpPluginDir)
if err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.manifest.app_error", nil, err.Error(), http.StatusBadRequest)
}
if !plugin.IsValidId(manifest.Id) {
return nil, model.NewAppError("installPlugin", "app.plugin.invalid_id.app_error", map[string]interface{}{"Min": plugin.MinIdLength, "Max": plugin.MaxIdLength, "Regex": plugin.ValidId.String()}, "", http.StatusBadRequest)
}
bundles, err := a.Plugins.Available()
if err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.install.app_error", nil, err.Error(), http.StatusInternalServerError)
}
// Check that there is no plugin with the same ID
for _, bundle := range bundles {
if bundle.Manifest != nil && bundle.Manifest.Id == manifest.Id {
return nil, model.NewAppError("installPlugin", "app.plugin.install_id.app_error", nil, "", http.StatusBadRequest)
}
}
pluginPath := filepath.Join(*a.Config().PluginSettings.Directory, manifest.Id)
err = utils.CopyDir(tmpPluginDir, pluginPath)
if err != nil {
return nil, model.NewAppError("installPlugin", "app.plugin.mvdir.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if err := a.notifyPluginStatusesChanged(); err != nil {
mlog.Error("failed to notify plugin status changed", mlog.Err(err))
}
return manifest, nil
}
func (a *App) RemovePlugin(id string) *model.AppError {
return a.removePlugin(id)
}
func (a *App) removePlugin(id string) *model.AppError {
if a.Plugins == nil || !*a.Config().PluginSettings.Enable {
return model.NewAppError("removePlugin", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
}
plugins, err := a.Plugins.Available()
if err != nil {
return model.NewAppError("removePlugin", "app.plugin.deactivate.app_error", nil, err.Error(), http.StatusBadRequest)
}
var manifest *model.Manifest
var pluginPath string
for _, p := range plugins {
if p.Manifest != nil && p.Manifest.Id == id {
manifest = p.Manifest
pluginPath = filepath.Dir(p.ManifestPath)
break
}
}
if manifest == nil {
return model.NewAppError("removePlugin", "app.plugin.not_installed.app_error", nil, "", http.StatusBadRequest)
}
a.Plugins.Deactivate(id)
err = os.RemoveAll(pluginPath)
if err != nil {
return model.NewAppError("removePlugin", "app.plugin.remove.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
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